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[Bug libc/11607] strstr function very slow.
- From: "eblake at redhat dot com" <sourceware-bugzilla at sourceware dot org>
- To: glibc-bugs at sources dot redhat dot com
- Date: Thu, 28 Jun 2012 22:40:23 +0000
- Subject: [Bug libc/11607] strstr function very slow.
- Auto-submitted: auto-generated
- References: <bug-11607-131@http.sourceware.org/bugzilla/>
http://sourceware.org/bugzilla/show_bug.cgi?id=11607
--- Comment #6 from Eric Blake <eblake at redhat dot com> 2012-06-28 22:40:23 UTC ---
(In reply to comment #5)
> We expect this to be fixed in 2.17.
>
> Maxim's patches [1] fix performance regression for small needles -- which is
> what the testcase for this bug exercises. Ondrej's patches [2] appear to
> further improve performance for x86.
>
> [1] http://sourceware.org/ml/libc-alpha/2012-05/msg01228.html
> [2] http://sourceware.org/ml/libc-alpha/2012-06/msg00027.html
Note that [2] was just a summary of Ondrej's benchmarking; searching for an
actual patch of his turns up this link:
http://sourceware.org/ml/libc-help/2011-11/msg00011.html
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